CN104386609A - Lifting device - Google Patents
Lifting device Download PDFInfo
- Publication number
- CN104386609A CN104386609A CN201410645791.3A CN201410645791A CN104386609A CN 104386609 A CN104386609 A CN 104386609A CN 201410645791 A CN201410645791 A CN 201410645791A CN 104386609 A CN104386609 A CN 104386609A
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- China
- Prior art keywords
- energy
- storage unit
- reel
- pump
- support
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/08—Driving gear incorporating fluid motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a lifting device. The lifting device comprises a bracket, a winch and a lifting rope, wherein a steering member is arranged at the top end of the bracket; the winch comprises a reel, a driving mechanism and an energy conversion and storage device; the reel is provided with a first end and a second end which are opposite to each other; the driving mechanism is connected with the first end and is used for driving the reel to rotate; the energy conversion and storage device is connected with the second end, and during the unwinding of the reel, the energy conversion and storage device can convert mechanical energy into storable energy, so as to store the energy; during the winding of the reel, the energy conversion and storage device converts the storable energy stored by the energy conversion and storage device into mechanical energy, so as to drive the reel to rotate; the lifting rope is partially wound on the reel, extends to pass through the steering member and is used for being connected with objects to be lifted. The lifting device disclosed by the invention has better mobility and then can better adapt to the current exploratory well test oil trial production work.
Description
Technical field
The application relates to field of petroleum exploitation, particularly relates to a kind of jacking system.
Background technology
Oil industry is the mainstay of China's present economy development.Generally will through three key links such as geoexploration, exploration well oil test pilot production, exploitation oil recoveries in oilfield development process.The process of geoexploration i.e. the process of search for oil, when after exploration to oil-bearing reservoir, further work will arrange prospect pit, the object of prospect pit is the oily situation being familiar with reservoir further.When formation testing pre-production phase will be entered after prospect pit finishing drilling, after exploration well oil test pre-production phase makes evaluation, just can develop the oil recovery stage.Exploration well oil test pilot production is a necessary links in oil-gas exploration and development process, it is character, the output of analyzing oil reservoir product fluid by discharging some wellbore fluid, and then obtain real reservoir data, and finally whole exploratory area reserves situation is made an appraisal, so the quality of exploration well oil test pilot production and efficiency directly affect the economic benefit in exploratory area.
At present, the implement often used in oilfield development process is oil pumper, drives pumping rod and oil well pump operates up and down and then by oil extraction out by oil pumper.The working process of oil pumper can be divided into upstroke and down stroke, when oil pumper upstroke, beam hanger need mention pumping rod and oil well pump, because upstroke electrical motor will pay very large energy, so now electrical motor is in motoring condition.When down stroke, pumping rod and oil well pump just can fall under the effect of self gravitation, and, in down stroke, pumping rod does work to electrical motor, electrical motor is made to be in the running state of electrical generator, the load of such upstroke, down stroke is extremely uneven, will seriously affect efficiency and the life-span of the winch motor of oil pumper.
In order to eliminate these shortcomings, generally on the walking beam afterbody or crank of oil pumper or two places all add balance weight.So, when suspension point down stroke, balance weight be lifted to eminence from lower, increase the potential energy of balance weight.In order to raise balance weight, except the potential energy falling to discharging except relying on string of rods, electrical motor is also wanted to pay portion of energy.When upstroke, balance weight is fallen by eminence, and the potential energy stored during down stroke is discharged, and helps electrical motor to promote pumping rod and fluid column, decreases electrical motor required energy provided when upstroke.But the weight of balance weight is comparatively huge, is generally more than 1 ton, and bulky, this just makes the volume weight of oil pumper all comparatively huge, installs, moves, dismounting etc. is all more difficult, cause its field of application comparatively limited.
At present; along with deepening constantly of exploration context; geographic position residing for prospect pit is generally landscape reservation, city, development zone, culture zone, grassland, backcountry etc.; this just needs its implement to have migration property preferably; but; above-mentioned oil pumper makes its comparatively difficulty of migrating owing to adopting weight and all comparatively huge balance weight of volume, is difficult to adapt to current exploration well oil test pilot production work.
Summary of the invention
In view of the deficiencies in the prior art, the application provides a kind of jacking system with better migration property, to adapt to current exploration well oil test pilot production work.
A kind of jacking system that the application provides, comprising:
Support, its top is provided with tumbler;
Winch, it comprises reel, driver train, transformation of energy memory storage; Described reel has relative first end and the second end; Described driver train is connected with described first end, and it is for driving described spool turns; Described transformation of energy memory storage is connected with described second end, in described reel unwrapping wire process, described transformation of energy memory storage mechanical energy can be converted to can stored energy to store; In described reel take-up process, what described transformation of energy memory storage was stored stored energy can be converted to mechanical energy and rotates to drive described reel;
Part is wrapped in the derrick line on described reel, and it extends past described tumbler, and described derrick line is waited to be elevated thing for connecting.
Preferably, described transformation of energy memory storage comprises fuel tank, Storage Unit, pump/motor;
Low pressure oil liquid is stored in described fuel tank;
Described Storage Unit can accumulation of energy and exoergic, when described Storage Unit accumulation of energy, the high-voltage oil liquid inputted from described pump/motor is converted to low pressure fluid and carries out storing and the hydraulic energy between high-voltage oil liquid and low pressure fluid is converted to potential energy and store by described Storage Unit; When described Storage Unit exoergic, the potential energy converting and energy that described Storage Unit is stored is hydraulic energy and forms high-voltage oil liquid by the low pressure fluid that the hydraulic energy of its conversion is stored to transport to described pump/motor;
Described pump/motor one end connects described second end, its other end connects described fuel tank and described Storage Unit respectively by pipeline, in described reel take-up process, the high-voltage oil liquid inputted from described Storage Unit is converted to low pressure fluid and transports to described fuel tank and the hydraulic energy between high-voltage oil liquid and low pressure fluid is converted to mechanical energy and rotate to drive described reel by described pump/motor; In described reel unwrapping wire process, the mechanical energy transmitted from described reel is converted to hydraulic energy and by the hydraulic energy of its conversion, the low pressure fluid inputted from described fuel tank is converted to high-voltage oil liquid by described pump/motor transports to described Storage Unit.
Preferably, described Storage Unit is also connected with complementary energy unit, and described complementary energy unit comprises controller, oil pump, actuator; Described oil pump connects described Storage Unit and described fuel tank, and the low pressure fluid in described fuel tank can be inputed to described Storage Unit by it; Described actuator connects described oil pump to drive described oil pump; Described controller connects described actuator, when pressure in described Storage Unit inside is lower than described setting pressure, described controller starts described actuator, and when the pressure of described Storage Unit inside is not less than described Storage Unit maximum working pressure, described controller stops described actuator.
Preferably, be connected with check valve between described oil pump and described Storage Unit and be back to described oil pump to prevent the low pressure fluid in described Storage Unit.
Preferably, described jacking system also comprises pedestal, and described support and described winch are fixedly mounted on described pedestal, and described support installing is in described pedestal side.
Preferably, described support comprises carrier base, outer support, inner support; Described carrier base is rotating to be arranged on described pedestal, and it is connected by adjusting screw(rod) with described pedestal; The rotating top being connected to described carrier base of described outer support, it is connected by supporting cylinder with described pedestal; Described inner support is slidably located in described outer support, and its top is stretched out described outer support and is provided with described tumbler, and described inner support is connected by telescopic hydraulic cylinder with described outer support.
Preferably, described pedestal is provided with bracing frame, and support frame as described above is higher than described winch, and it can support described in support.
Preferably, described pedestal is also provided with power generation assembly, it connects described driver train.
Preferably, described pedestal is also provided with cooling mechanism, it for cooling described winch in described winch work.
Preferably, described tumbler is two fixed pulleys, the derrick line between two fixed pulleys is provided with a movable pulley, and described movable pulley is provided with attaching parts and waits to be elevated thing to connect.
In sum, can find out that the described jacking system that the application provides is made up of described support, winch, derrick line, and the weight of the described transformation of energy memory storage of described winch is far smaller than balance weight of the prior art, and, install convenient and simple compared to described balance weight, so the described jacking system that the application provides has migration property preferably.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those skilled in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the axonometric drawing a of the jacking system that a kind of embodiment of the application provides;
Fig. 2 is the axonometric drawing b of the jacking system that a kind of embodiment of the application provides;
Fig. 3 is the migration view of the jacking system that a kind of embodiment of the application provides;
Fig. 4 be the application's embodiment the driver train of the winch of jacking system, pump/motor and reel connection diagram are provided;
Fig. 5 be the application's embodiment the planetary reduction gear structural representation of the winch of jacking system is provided;
Fig. 6 be the application's embodiment the complementary energy block construction schematic diagram of the winch of jacking system is provided;
Fig. 7 be the application's embodiment the hydraulic accumulator structural representation of the winch of jacking system is provided;
Fig. 8 be the application's embodiment the connecting-piece structure schematic diagram of the derrick line of jacking system is provided;
Fig. 9 be the application's embodiment the working state schematic representation of jacking system is provided.
Detailed description of the invention
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all should belong to the scope of protection of the invention.
Please refer to Fig. 1 and Fig. 2, the jacking system 100 that a kind of embodiment of the application provides, comprising: support 1, its top is provided with tumbler 14; Winch 4, it comprises reel 42, driver train 41, transformation of energy memory storage; Described reel 42 has relative first end 421 and the second end 422; Described driver train 41 is connected with described first end 421, and it rotates for driving described reel 42; Described transformation of energy memory storage is connected with described second end 422, in described reel 42 unwrapping wire process, described transformation of energy memory storage mechanical energy can be converted to can stored energy to store; In described reel 42 take-up process, what described transformation of energy memory storage was stored stored energy can be converted to mechanical energy and rotates to drive described reel 42; Part is wrapped in the derrick line 3 on described reel 42, and it extends past described tumbler 14, and described derrick line 3 is waited to be elevated thing for connecting.
The mode of operation of the jacking system 100 that present embodiment provides as shown in Figure 9, during use, is waited described in described jacking system 100 is connected by its derrick line 3 to be elevated thing, as the pumping rod in producing well 200, can be carried out formation testing pilot production work.Certainly, wait that being elevated thing also can be other article, such as described derrick line 3 arranges a suspension hook, can carry out other lifting operations in oil field described in.Described reel 42 realizes by take-up and unwrapping wire the lifting or the decline that control weight.When declining described weight, described reel 42 carries out unwrapping wire, now described driver train 41 stops doing manual work, when weight declines, its potential energy is the mechanical energy of reel 42, described mechanical energy is passed to described transformation of energy memory storage by described reel 42, now, described transformation of energy memory storage mechanical energy can be converted to can stored energy to carry out storing using when described reel 42 lifting heavy.When promoting described weight, described driver train 41 drives the rotation of described reel 42 to carry out take-up with lifting heavy, simultaneously, what described transformation of energy memory storage was stored stored energy can be converted to mechanical energy (i.e. torque and rotational speed), the mechanical energy that described transformation of energy memory storage is transformed passes to reel 42 and rotates to drive described reel 42, and then assist described driver train 41 jointly to drive described reel 42 to rotate, make described reel 42 complete take-up.
Because described jacking system 100 is made up of described support 1, winch 4, derrick line 3, and the weight of the described transformation of energy memory storage of described winch 4 is far smaller than balance weight of the prior art, and, install convenient and simple compared to described balance weight, so the described jacking system 100 that present embodiment provides has migration property preferably.
Please refer to Fig. 1, Fig. 2 and Fig. 3, described jacking system 100 also comprises pedestal 2, and described support 1 and described winch 4 are fixedly mounted on described pedestal 2, and described support 1 is arranged on described pedestal 2 side.Described pedestal 2 can removably fixedly mount its position, such as skid mode.Described pedestal 2 for steel framed structure is to accept described support 1 and described winch 4, certainly, can adopts steel framed structure can also be convenient to offer junction and be easy to control its weight, installs and dismantle also relative to cement pedestal 2 more for convenience.But present embodiment is not got rid of described pedestal 2 and is taked cement pedestal 2, certainly not as limit yet.In a specific embodiment, described pedestal 2 can be welded by channel-section steel and square steel tube, and is equipped with steel plate, and then equipment of being convenient to is installed and placed.Because described support 1 is apparently higher than described winch 4, described support 1 is installed on described pedestal 2 side can so that the installation of device, and described support 1 is installed on described pedestal 2 side, its top can towards away from described pedestal 2, and then can so that promote article.
Described support 1 can be truss structure, and it treats that for enforcement is elevated lifting thing provides support.The top of described support 1 is provided with tumbler 14, and described derrick line 3 occurs necessarily to change, and then hang to wait to be elevated thing through described tumbler 14 and then direction.
For obtaining better lifting effect and migration property preferably, in one embodiment, described support 1 can comprise carrier base 13, outer support 12, inner support 11.
Described carrier base 13 is rotating to be arranged on described pedestal 2, Figure 2 shows that example, described carrier base 13 passes through pinned connection with described pedestal 2, and described carrier base 13 is also connected to limit described carrier base 13 by adjusting screw(rod) 16 with described pedestal 2 to rotate, the angle that can control between described carrier base 13 and described pedestal 2 by regulating the length of described adjusting screw(rod) 16, and then the direction of described pedestal 2 is departed from the top controlling described support 1.
Please continue to refer to Fig. 2, the rotating top being connected to described carrier base 13 of described outer support 12, it is connected by supporting cylinder 15 with described pedestal 2.Described supporting cylinder 15 is for supporting described outer support 12, and hydraulic energy is changed into mechanical energy, does the hydraulic actuator of straight reciprocating motion (or hunting motion) by it.Described supporting cylinder 15 is stretched out by it and shrinks, described outer support 12 of can holding up or fall, and then reaches the object controlling described jacking system 100 overall volume.Certainly, described outer derrick and described carrier base 13 can be pinned connection, also can be rotatably connected for other.Described inner support 11 is slidably located in described outer support 12, and its top is stretched out described outer support 12 and is provided with described tumbler 14, and described inner support 11 is connected by telescopic hydraulic cylinder 17 with described outer support 12.As shown in Figure 2, described inner support 11 entirety is nested in that described outer support 12 is inner, and by telescopic hydraulic cylinder 17, it can slide along the axis of described outer support 12, and then also can reduce its volume cleverly while usable length what ensure support 1.Hydraulic energy is also changed into mechanical energy, does the hydraulic actuator of straight reciprocating motion (or hunting motion) by described telescopic hydraulic cylinder 17.By described telescopic hydraulic cylinder 17, described support 1 is reached the position of specifying, by using latch by relative fixing for the position between described inner support 11 with described outer support 12.
By support 1 is arranged to above structure, when described supporting cylinder 15 is contraction state with described telescopic hydraulic cylinder 17, as shown in Figure 3, now whole device can be transport or idle state to the state of described jacking system 100, very convenient transport.
Further, in a feasible embodiment, described pedestal 2 can also be provided with bracing frame 21, support frame as described above 21 is higher than described winch 4, and it can support 1 described in support.Suppress described winch 4 when described derrick can be avoided to be in and to fall state by this design, and then cause device damage.
Certainly, for adapting to outdoor investigation and prospecting, in a feasible embodiment, described pedestal 2 can also be provided with power generation assembly 6, and it connects described driver train 41.Supplying described driver train 41 by arranging described power generation assembly 6, making described jacking system 100 independently can carry out outdoor prospect pit operation and formation testing pilot production work, ensure formation testing efficiency, and then more adapt to current exploration well oil test pilot production work.
Due under described winch 4 mode of operation, it constantly does work to its inside, likely make whole unit temp higher, under the condition of high temperature, equipment very easily damages, for avoiding this point, in a specific embodiment, described pedestal 2 is also provided with cooling mechanism 46, described winch 4 cools by it in working at described winch 4, and then ensures the continuous running of whole jacking system 100.Described cooling mechanism 46 can be forced air cooler, but the application is not as limit.
Please refer to Fig. 8, in an embodiment of present embodiment, described tumbler 14 is two fixed pulleys, the derrick line 3 between two fixed pulleys is provided with a movable pulley, and described movable pulley is provided with attaching parts 31 and waits to be elevated thing to connect.First, arrange described movable pulley, can effectively reduce slings waits the power being elevated thing, make derrick line 3 need not bear larger working pulling force, secondly, described attaching parts 31 can be elevator apparatus 31a can be also cargo hook gear 31b, and then completes different hoisting operations.Described derrick line 3 generally uses steel rope in practical situations both, but the jacking system 100 that present embodiment provides can be applied to multiple lifting occasion completely, so described derrick line 3 also can have the rope-like constructed thing that can be wound around and can lift performance for chain etc.
Described winch 4 comprises described reel 42, described driver train 41, described transformation of energy memory storage.Described reel 42 has relative first end 421 and the second end 422; Described driver train 41 is connected with described first end 421, and it rotates for driving described reel 42.Described transformation of energy memory storage is connected with described second end 422, in described reel 42 unwrapping wire process, described transformation of energy memory storage mechanical energy can be converted to can stored energy to store; In described reel 42 take-up process, what described transformation of energy memory storage was stored stored energy can be converted to mechanical energy and rotates to drive described reel 42.
Described transformation of energy memory storage connects described second end 422, concrete, can connect the transmission carrying out rotating by axle.Described transformation of energy memory storage mechanical energy can be converted to can stored energy to store; In described reel 42 take-up process, what described transformation of energy memory storage was stored stored energy can be converted to mechanical energy and rotates to drive described reel 42.Describedly stored energy can comprise the energy that potential energy, kinetic energy, heat energy etc. can store.
Please refer to Fig. 1, in an embodiment of the application, described transformation of energy memory storage comprises fuel tank 48, Storage Unit 49, pump/motor 43.Low pressure oil liquid is stored in described fuel tank 48.Described Storage Unit 49 can accumulation of energy and exoergic.When described Storage Unit 49 accumulation of energy, the high-voltage oil liquid inputted from described pump/motor 43 is converted to low pressure fluid and carries out storing and the hydraulic energy between high-voltage oil liquid and low pressure fluid is converted to potential energy and store by described Storage Unit 49.When described Storage Unit 49 exoergic, the potential energy converting and energy that described Storage Unit 49 is stored is hydraulic energy and forms high-voltage oil liquid by the low pressure fluid that the hydraulic energy of its conversion is stored to transport to described pump/motor 43.Described pump/motor 43 one end connects described second end 422, and its other end connects described fuel tank 48 and described Storage Unit 49 respectively by pipeline.In described reel 42 take-up process, the high-voltage oil liquid inputted from described Storage Unit 49 is converted to low pressure fluid and transports to described fuel tank 48 and the hydraulic energy between high-voltage oil liquid and low pressure fluid is converted to mechanical energy and rotate to drive described reel 42 by described pump/motor 43; In described reel 42 unwrapping wire process, the mechanical energy transmitted from described reel 42 is converted to hydraulic energy and by the hydraulic energy of its conversion, the low pressure fluid inputted from described fuel tank 48 is converted to high-voltage oil liquid by described pump/motor 43 transports to described Storage Unit 49.Certainly; the above-mentioned building form of described transformation of energy memory storage is only the one preferably embodiment obtained after contriver pays hardships experiment; under the prompting of the marrow provided in present embodiment; those skilled in the art should learn that the application also has other embodiments; so within all spirit in present embodiment and principle; any amendment of making, equivalent replacement, improvement etc., within the protection domain that all should be included in the application.
Please refer to Fig. 4, the described reel 42 of present embodiment is different from the reel 42 of prior art winch 4, and the two ends of the reel 42 that present embodiment provides are coupling end, i.e. described first end 421 and described second end 422.Described reel 42 can be undertaken promoting or drawing weight by wound upon themselves steel rope or chain.Described first end 421 and described second end 422 of described reel 42 provide two adapter shafts respectively, connect different actuating devices by adapter shaft.Described actuating device is described driver train 41 and described pump/motor 43.
Further, in order to balance described reel 42 problem inconsistent with rotating speed between described driver train 41 and described pump/motor 43 and give described reel 42 larger moment of torsion, described first end 421 can distinguish built-in retarder with described second end 422, described retarder is a kind of power transmission mechanism, it is a kind of rate conversion mechanism utilizing different large miniature gears, the revolution of motor is decelerated to desired revolution, and obtain the mechanism of larger torque, so described retarder can play the effect of coupling rotating speed and transmitting torque, described reel 42 is connected with described driver train 41 and described pump/motor 43 by described retarder.Accordingly, consider that described driver train 41 exists inconsistent situation with the rotating speed of described pump/motor 43, so the retarder being built in described first end 421 is the first retarder 51, the retarder being built in described second end 422 is the second retarder 52, and described first retarder 51 is different from the reduction of speed effect of described second retarder 52.The such as axle rotating speed of described driver train 41 is 1500 rpms (r/min), the axle rotating speed of described pump/motor 43 is 1800 rpms, and the rotating speed needed for described reel 42 is 50 rpms, now, need described first retarder 51 that the rotating speed of described driver train 41 is reduced by 30 times and pass to reel 42 again, need described second retarder 52 that the rotating speed of described pump/motor 43 is reduced by 36 times and pass to reel 42 again.The mode that described first end 421 is connected described first retarder 51 and described second retarder 52 respectively with described second end 422 is built-in, certainly, built-in retarder is adopted to be that consider can reduction means volume, described retarder can also adopt other assembling modes such as external grade, and the application is not as limit.
Please refer to Fig. 5, consider the of a great variety of existing retarder, described in a specific embodiment of present embodiment, the first retarder 51 can adopt planetary reduction gear.Big gear wheel on the gears meshing output shaft that the number of teeth on described planetary reduction gear transmission shaft is few is to reach the object of deceleration, and it is little, lightweight that described planetary reduction gear has volume, and load-carrying capacity is high, long service life, smooth running, low noise advantages.
Please continue to refer to Fig. 4, described pump/motor 43 connects described second end 422 by described retarder, and it has the function of HM Hydraulic Motor and Hydraulic Pump simultaneously.Described pump/motor 43 rotates and reverse by axle the conversion realizing Hydraulic Pump and HM Hydraulic Motor two kinds of functions.When using as Hydraulic Pump, flow is directly proportional to revolution and discharge capacity; When being used as HM Hydraulic Motor use, its output revolutions and flow are directly proportional and are inversely proportional to discharge capacity.Described pump/motor 43 has turning cylinder one end and hydraulic pressure end, as shown in Figure 1, the both sides of described hydraulic pressure end offer two ports and then connect low pressure line 44 and pressure duct 45, be divided into high pressure side and low pressure side by the both sides of hydraulic pressure end described in the large young pathbreaker of pressure in low pressure line 44 and pressure duct 45, the output torque of described pump/motor 43 is relevant to the pressure reduction between described high pressure side and described low pressure side.Described low pressure line 44 connects described fuel tank 48, and when described reel 42 take-up, the low pressure fluid that described pump/motor 43 is changed inputs in described fuel tank 48 by described low pressure line 44.When described reel 42 unwrapping wire, the low pressure fluid in described fuel tank 48 inputs in described pump/motor 43 by described low pressure line 44.Accordingly, described pump/motor 43 is connected with described Storage Unit 49 by described pressure duct 45, when described reel 42 take-up, high-voltage oil liquid from described Storage Unit 49 is transported in described pump/motor 43 by described pressure duct 45, when described reel 42 unwrapping wire, the high-voltage oil liquid that described pump/motor 43 is changed is transported to described Storage Unit 49 by described pressure duct 45.
Described fuel tank 48 stores low pressure fluid, and the low pressure fluid that it stores is the necessary energy transmission medium of whole transformation of energy memory storage.Certainly, described low pressure fluid is for the high-voltage oil liquid transmitted between described pump/motor 43 and described Storage Unit 49.Volume in described fuel tank 48 is at least the volume of the circulation fluid in transferring energy process and the topping up volume sum of described Storage Unit 49.In a practical situation, consider that fluid should account for about 80% of fuel tank 48 cumulative volume, so the topping up volume sum of the volume of described circulation fluid and described Storage Unit 49 should be close with 80% of the volume of described fuel tank 48.
Described Storage Unit 49 is a kind of energy savings devices in hydropneumatic system.It can be in due course the energy conversion in system is that potential energy (compression energy or potential energy) stores, when system needs, again potential energy (compression energy or potential energy) changed into the energy such as hydraulic pressure or air pressure and discharge, again mending feed system.The described Storage Unit 49 that present embodiment adopts is a kind of device potential energy and hydraulic energy transformed mutually, and potential energy can store by himself.Due to, there are outer bound pair its acting and its two kinds of situations of doing work to external world in described Storage Unit 49, therefore it exists maximum working pressure (MWP) and minimum operating pressure.
Please refer to Fig. 7, described Storage Unit 49 can adopt hydraulic bag type energy storage 491, described hydraulic bag type energy storage 491 is a kind of gas type energy storages, and it completes Conversion of Energy by pressure gas, is first filled with the gas of set pressure during use to hydraulic bag type energy storage 491.When system pressure exceedes hydraulic bag type energy storage 491 internal pressure, fluid pressure gas, is converted into gas internal energy by the pressure in fluid; When system pressure is lower than hydraulic bag type energy storage 491 internal pressure, the oil in hydraulic bag type energy storage 491, in the flows by action externally system of high pressure gas, releases energy.Certainly, the number of described hydraulic bag type energy storage 491 can for multiple to obtain good energy storage effect, and such as 4,6 etc., present embodiment is not as limit.
Please refer to Fig. 4, described driver train 41 can be motor or HM Hydraulic Motor.Described motor is also referred to as electro-motor, and electric energy conversion is become mechanical energy for a kind of by it, and can re-use mechanical energy and produce kinetic energy, is used for driving the electrical equipment of other devices.HM Hydraulic Motor is a kind of power element of hydraulic efficiency pressure system, and the fluid pressure that Hydraulic Pump provides by it can change the mechanical energy (torque and rotational speed) of its output shaft into.In present embodiment, described driver train 41 can take in described motor and described HM Hydraulic Motor any one.In a practical situation, because switched reluctance motor is applicable to the working condition of frequent start-stop and rotating operation, its rotating frequency can reach 1000 times/hour, and there is detent torque large (being about 200% to 300% of torque rating), starting current low efficiency high (being about 30% of rated current), electrical efficiency is greater than 0.92, waste of power is less, controllable parameter is many, the advantages such as good speed adjustment features, and then described motor can adopt switched reluctance motor, to adapt to the working condition of oil pumper in recovery process.
In the application's embodiment, consider that the conversion ratio of pump/motor 43 when carrying out hydraulic energy and mechanical energy transforms mutually can not be 100%, especially this equipment worked in the wild, certainly can think that mechanical wear is the principal element that efficiency reduces, after working long hours, the fluid of Storage Unit 49 inside will be caused gradually to reduce gradually, cause described Storage Unit 49 pressure to reduce gradually, the effect of complete equilibrium counterweight can not be played, and then form draining problem.Now, need to carry out repairing to described Storage Unit 49, so described Storage Unit 49 is also connected with complementary energy unit 47, described complementary energy unit 47 can fill into pressure lower than during setting pressure at the pressure of described Storage Unit 49 inside in described Storage Unit 49.Described setting pressure can be determined according to different types of described Storage Unit 49, typically, described Storage Unit 49 all has maximum working pressure (MWP) (during accumulation of energy) and minimum operating pressures that (during exoergic), described setting pressure can be lower than described minimum operating pressures that, concrete 80% or other numerical value that can take described minimum operating pressures that, present embodiment is not as limit.
Further, please refer to Fig. 6, in a preferred embodiment of above-mentioned embodiment, described complementary energy unit 47 can comprise controller 50, oil pump 472, actuator 471.Described oil pump 472 connects described Storage Unit 49 and described fuel tank 48, and the low pressure fluid in described fuel tank 48 can be inputed to described Storage Unit 49 by it.Described actuator 471 connects described oil pump 472 to drive described oil pump 472.Described controller 50 connects described actuator 471, when pressure in described Storage Unit 49 inside is lower than described setting pressure, described controller 50 starts described actuator 471, when the pressure of described Storage Unit 49 inside is not less than described Storage Unit 49 maximum working pressure, described controller 50 stops described actuator 471.Described actuator 471 can adopt motor.Described oil pump 472 can adopt twin pump.Further, be connected with check valve 473 between described oil pump 472 and described Storage Unit 49 and be back to described oil pump 472 to prevent the low pressure fluid in described Storage Unit 49.Meanwhile, described Storage Unit 49 can be connected with compression indicator 56 to monitor the pressure of described Storage Unit 49 inside.
More than show and describe groundwork of the present invention, principal character and advantage of the present invention.The technical personnel of the industry should be understood; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the scope of protection of present invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (10)
1. a jacking system, is characterized in that, comprising:
Support, its top is provided with tumbler;
Winch, it comprises reel, driver train, transformation of energy memory storage; Described reel has relative first end and the second end; Described driver train is connected with described first end, and it is for driving described spool turns; Described transformation of energy memory storage is connected with described second end, in described reel unwrapping wire process, described transformation of energy memory storage mechanical energy can be converted to can stored energy to store; In described reel take-up process, what described transformation of energy memory storage was stored stored energy can be converted to mechanical energy and rotates to drive described reel;
Part is wrapped in the derrick line on described reel, and it extends past described tumbler, and described derrick line is waited to be elevated thing for connecting.
2. jacking system as claimed in claim 1, is characterized in that: described transformation of energy memory storage comprises fuel tank, Storage Unit, pump/motor;
Low pressure oil liquid is stored in described fuel tank;
Described Storage Unit can accumulation of energy and exoergic, when described Storage Unit accumulation of energy, the high-voltage oil liquid inputted from described pump/motor is converted to low pressure fluid and carries out storing and the hydraulic energy between high-voltage oil liquid and low pressure fluid is converted to potential energy and store by described Storage Unit; When described Storage Unit exoergic, the potential energy converting and energy that described Storage Unit is stored is hydraulic energy and forms high-voltage oil liquid by the low pressure fluid that the hydraulic energy of its conversion is stored to transport to described pump/motor;
Described pump/motor one end connects described second end, its other end connects described fuel tank and described Storage Unit respectively by pipeline, in described reel take-up process, the high-voltage oil liquid inputted from described Storage Unit is converted to low pressure fluid and transports to described fuel tank and the hydraulic energy between high-voltage oil liquid and low pressure fluid is converted to mechanical energy and rotate to drive described reel by described pump/motor; In described reel unwrapping wire process, the mechanical energy transmitted from described reel is converted to hydraulic energy and by the hydraulic energy of its conversion, the low pressure fluid inputted from described fuel tank is converted to high-voltage oil liquid by described pump/motor transports to described Storage Unit.
3. jacking system as claimed in claim 2, it is characterized in that: described Storage Unit is also connected with complementary energy unit, described complementary energy unit comprises controller, oil pump, actuator; Described oil pump connects described Storage Unit and described fuel tank, and the low pressure fluid in described fuel tank can be inputed to described Storage Unit by it; Described actuator connects described oil pump to drive described oil pump; Described controller connects described actuator, when pressure in described Storage Unit inside is lower than described setting pressure, described controller starts described actuator, and when the pressure of described Storage Unit inside is not less than described Storage Unit maximum working pressure, described controller stops described actuator.
4. jacking system as claimed in claim 3, is characterized in that: be connected with check valve between described oil pump and described Storage Unit and be back to described oil pump to prevent the low pressure fluid in described Storage Unit.
5. jacking system as claimed in claim 1, it is characterized in that: described jacking system also comprises pedestal, described support and described winch are fixedly mounted on described pedestal, and described support installing is in described pedestal side.
6. jacking system as claimed in claim 5, is characterized in that: described support comprises carrier base, outer support, inner support; Described carrier base is rotating to be arranged on described pedestal, and it is connected by adjusting screw(rod) with described pedestal; The rotating top being connected to described carrier base of described outer support, it is connected by supporting cylinder with described pedestal; Described inner support is slidably located in described outer support, and its top is stretched out described outer support and is provided with described tumbler, and described inner support is connected by telescopic hydraulic cylinder with described outer support.
7. jacking system as claimed in claim 6, is characterized in that: described pedestal is provided with bracing frame, and support frame as described above is higher than described winch, and it can support described in support.
8. jacking system as claimed in claim 5, it is characterized in that: described pedestal is also provided with power generation assembly, it connects described driver train.
9. jacking system as claimed in claim 5, it is characterized in that: described pedestal is also provided with cooling mechanism, it for cooling described winch in described winch work.
10. jacking system as claimed in claim 1, is characterized in that: described tumbler is two fixed pulleys, the derrick line between two fixed pulleys is provided with a movable pulley, and described movable pulley is provided with attaching parts and waits to be elevated thing to connect.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410645791.3A CN104386609B (en) | 2014-11-12 | 2014-11-12 | Lifting device |
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|---|---|---|---|
| CN201410645791.3A CN104386609B (en) | 2014-11-12 | 2014-11-12 | Lifting device |
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| CN104386609A true CN104386609A (en) | 2015-03-04 |
| CN104386609B CN104386609B (en) | 2017-02-22 |
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| CN201410645791.3A Active CN104386609B (en) | 2014-11-12 | 2014-11-12 | Lifting device |
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| CN106744082A (en) * | 2016-12-30 | 2017-05-31 | 方新国 | A kind of lowering or hoisting gear that can be lifted with different rates non-directional |
| CN110883759A (en) * | 2018-09-11 | 2020-03-17 | 沈阳新松机器人自动化股份有限公司 | Large-load unbalance-loading truss robot |
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| CN104386609B (en) | 2017-02-22 |
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